SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Class of Stock [Line Items]
Restricted cash	$ 0		$ 2,921
Reduction in share based compensation expense	(5,500)	$ (200)
Increase in net income	$ (8,878)	$ 17,596
Treasury shares retired (in shares)	10,729,458	1,431,980